Caption:
Roman siege engines: shelter for sappers digging a tunnel, Vineae 1, semi-circular shelter Pluteus 2, shelter Testudo with battering ram Aries 3, shelter on rolling cylinders Musculus 4, siege tower or the Taker of Cities, Helepolis 5, five-storey tower Sambucae 6, and battering ram on chains Aries 7. Handcoloured copperplate engraving from Friedrich Johann Bertuch's Bilderbuch fur Kinder (Picture Book for Children), Weimar, 1795.